Search

Ko Hung Chan

Examiner (ID: 3751, Phone: (571)272-6816 , Office: P/3631 )

Most Active Art Unit
3631
Art Unit(s)
3632, 3637, 2899, 3631, 3505
Total Applications
2358
Issued Applications
1615
Pending Applications
111
Abandoned Applications
656

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6061759 [patent_doc_number] => 20020030930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'Thin-film magnetic head and method of manufacturing same' [patent_app_type] => new [patent_app_number] => 09/924550 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9157 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0030/20020030930.pdf [firstpage_image] =>[orig_patent_app_number] => 09924550 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924550
Thin-film magnetic head and method of manufacturing same Aug 8, 2001 Issued
Array ( [id] => 7632188 [patent_doc_number] => 06665148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Magnetic head apparatus with IC chip mounted on suspension for increased heat diffusion and magnetic disk apparatus having magnetic head apparatus' [patent_app_type] => B2 [patent_app_number] => 09/924965 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6103 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/665/06665148.pdf [firstpage_image] =>[orig_patent_app_number] => 09924965 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924965
Magnetic head apparatus with IC chip mounted on suspension for increased heat diffusion and magnetic disk apparatus having magnetic head apparatus Aug 8, 2001 Issued
Array ( [id] => 6603828 [patent_doc_number] => 20020064004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-30 [patent_title] => 'Magnetoresistive double spin filter tunnel junction' [patent_app_type] => new [patent_app_number] => 09/924409 [patent_app_country] => US [patent_app_date] => 2001-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5929 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20020064004.pdf [firstpage_image] =>[orig_patent_app_number] => 09924409 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924409
Magnetoresistive double spin filter tunnel junction Aug 6, 2001 Abandoned
Array ( [id] => 7632184 [patent_doc_number] => 06665152 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-16 [patent_title] => 'Magnetic head that detects leakage fluxes from a medium at a high resolution and leads the fluxes into a magneto-resistive element' [patent_app_type] => B2 [patent_app_number] => 09/920644 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 42 [patent_no_of_words] => 8225 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/665/06665152.pdf [firstpage_image] =>[orig_patent_app_number] => 09920644 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920644
Magnetic head that detects leakage fluxes from a medium at a high resolution and leads the fluxes into a magneto-resistive element Aug 2, 2001 Issued
Array ( [id] => 6337733 [patent_doc_number] => 20020034043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-21 [patent_title] => 'Single pole type recording head and magnetic storage apparatus' [patent_app_type] => new [patent_app_number] => 09/920648 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 7971 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0034/20020034043.pdf [firstpage_image] =>[orig_patent_app_number] => 09920648 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920648
Single pole type recording head including tapered edges Aug 2, 2001 Issued
Array ( [id] => 7633794 [patent_doc_number] => 06657826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-02 [patent_title] => 'Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive' [patent_app_type] => B2 [patent_app_number] => 09/920821 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 31 [patent_no_of_words] => 12658 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/657/06657826.pdf [firstpage_image] =>[orig_patent_app_number] => 09920821 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920821
Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive Aug 2, 2001 Issued
Array ( [id] => 6714701 [patent_doc_number] => 20030026049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'GMR magnetic transducer with nano-oxide exchange coupled free layers' [patent_app_type] => new [patent_app_number] => 09/922408 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2337 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026049.pdf [firstpage_image] =>[orig_patent_app_number] => 09922408 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922408
GMR magnetic transducer with nano-oxide exchange coupled free layers Aug 2, 2001 Issued
Array ( [id] => 6896840 [patent_doc_number] => 20010045005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-29 [patent_title] => 'Method of making a patterned magnetic recording head' [patent_app_type] => new [patent_app_number] => 09/922546 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4949 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0045/20010045005.pdf [firstpage_image] =>[orig_patent_app_number] => 09922546 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922546
Thin-film magnetic recording head having a timing-based gap pattern for writing a servo track on magnetic media Aug 2, 2001 Issued
Array ( [id] => 7633795 [patent_doc_number] => 06657825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-02 [patent_title] => 'Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer' [patent_app_type] => B2 [patent_app_number] => 09/922446 [patent_app_country] => US [patent_app_date] => 2001-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 24 [patent_no_of_words] => 6612 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/657/06657825.pdf [firstpage_image] =>[orig_patent_app_number] => 09922446 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/922446
Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer Aug 1, 2001 Issued
Array ( [id] => 1175617 [patent_doc_number] => 06754048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-06-22 [patent_title] => 'Multiple magnetoresistive (MR) layer sensor element having longitudinal bias layers with non-parallel magnetizations' [patent_app_type] => B2 [patent_app_number] => 09/920602 [patent_app_country] => US [patent_app_date] => 2001-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 11192 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/754/06754048.pdf [firstpage_image] =>[orig_patent_app_number] => 09920602 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920602
Multiple magnetoresistive (MR) layer sensor element having longitudinal bias layers with non-parallel magnetizations Aug 1, 2001 Issued
Array ( [id] => 6399973 [patent_doc_number] => 20020036877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-28 [patent_title] => 'Magnetoresistance effect device, magnetic head, magnetic recording apparatus, and memory device' [patent_app_type] => new [patent_app_number] => 09/920309 [patent_app_country] => US [patent_app_date] => 2001-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12011 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0036/20020036877.pdf [firstpage_image] =>[orig_patent_app_number] => 09920309 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920309
MAGNETORESISTANCE EFFECT DEVICE UTILIZING AN OXIDE FILM TO PRODUCE ANTIFERROMAGNETIC EXCHANGE-COUPLING BETWEEN FIRST AND SECOND MAGNETIC FILMS IN EITHER THE PINNED LAYER OR THE FREE LAYER OF THE DEVICE Jul 31, 2001 Issued
Array ( [id] => 1219764 [patent_doc_number] => 06707646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-03-16 [patent_title] => 'Method and apparatus for dynamically controlling the flying behavior and height of a read/write head in a storage device by manipulating the spring constant of the suspension' [patent_app_type] => B2 [patent_app_number] => 09/920475 [patent_app_country] => US [patent_app_date] => 2001-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4355 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/707/06707646.pdf [firstpage_image] =>[orig_patent_app_number] => 09920475 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920475
Method and apparatus for dynamically controlling the flying behavior and height of a read/write head in a storage device by manipulating the spring constant of the suspension Jul 31, 2001 Issued
Array ( [id] => 6714690 [patent_doc_number] => 20030026038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Disk drives with upstream-oriented heads' [patent_app_type] => new [patent_app_number] => 09/920534 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6995 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026038.pdf [firstpage_image] =>[orig_patent_app_number] => 09920534 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920534
Disk drives with upstream-oriented heads Jul 30, 2001 Issued
Array ( [id] => 1268565 [patent_doc_number] => 06661614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-12-09 [patent_title] => 'Magnetless actuator for disc drive' [patent_app_type] => B2 [patent_app_number] => 09/919547 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2082 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/661/06661614.pdf [firstpage_image] =>[orig_patent_app_number] => 09919547 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/919547
Magnetless actuator for disc drive Jul 30, 2001 Issued
Array ( [id] => 6714696 [patent_doc_number] => 20030026044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Negative pitch air-bearing sliders' [patent_app_type] => new [patent_app_number] => 09/920272 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4270 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026044.pdf [firstpage_image] =>[orig_patent_app_number] => 09920272 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920272
Air-bearing sliders having leading read/write head and flying with negative pitch Jul 30, 2001 Issued
Array ( [id] => 6714689 [patent_doc_number] => 20030026037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-06 [patent_title] => 'Method and system for providing electronics inside of a disk drive having a compact flash form factor' [patent_app_type] => new [patent_app_number] => 09/919459 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4532 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20030026037.pdf [firstpage_image] =>[orig_patent_app_number] => 09919459 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/919459
Method and system for providing electronics inside of a disk drive having a compact flash form factor Jul 30, 2001 Abandoned
Array ( [id] => 6487682 [patent_doc_number] => 20020024767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-28 [patent_title] => 'Head supporting mechanism, and head assembly and magnetic disk drive using the same mechanism' [patent_app_type] => new [patent_app_number] => 09/917706 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1807 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0024/20020024767.pdf [firstpage_image] =>[orig_patent_app_number] => 09917706 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/917706
Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction pads Jul 30, 2001 Issued
Array ( [id] => 1234298 [patent_doc_number] => 06693767 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-17 [patent_title] => 'Disk drive having a head disk assembly enclosure including an integrated hinge' [patent_app_type] => B1 [patent_app_number] => 09/920775 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3183 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/693/06693767.pdf [firstpage_image] =>[orig_patent_app_number] => 09920775 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920775
Disk drive having a head disk assembly enclosure including an integrated hinge Jul 30, 2001 Issued
Array ( [id] => 1345488 [patent_doc_number] => 06594111 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-15 [patent_title] => 'Spindle motor having stator rim formed of curved arc segments' [patent_app_type] => B1 [patent_app_number] => 09/920576 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2946 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/594/06594111.pdf [firstpage_image] =>[orig_patent_app_number] => 09920576 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920576
Spindle motor having stator rim formed of curved arc segments Jul 30, 2001 Issued
Array ( [id] => 1219757 [patent_doc_number] => 06707641 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-16 [patent_title] => 'Spindle motor having stator rim formed of concentric laminate layers' [patent_app_type] => B1 [patent_app_number] => 09/920580 [patent_app_country] => US [patent_app_date] => 2001-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2313 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/707/06707641.pdf [firstpage_image] =>[orig_patent_app_number] => 09920580 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/920580
Spindle motor having stator rim formed of concentric laminate layers Jul 30, 2001 Issued
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